return {
    {
        id = 1, 
        type = 'ch',
        cards_lv = 1, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,90]},{"bb_rate":-1,"rate":[90,100]}],                          "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":-1,"rate":[5,100]}]}',
    },
    {
        id = 2, 
        type = 'ch',
        cards_lv = 2, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,1]},{"bb_rate":3,"rate":[1,5]},{"bb_rate":0,"rate":[5,100]}], "round2":[{"bb_rate":1,"rate":[0,5]},{"bb_rate":0,"rate":[5,30]},{"bb_rate":-1,"rate":[30,100]}]}',
    },
    {
        id = 3, 
        type = 'ch',
        cards_lv = 3, 
        oper = '{"round1":[{"bb_rate":3,"rate":[0,20]},{"bb_rate":0,"rate":[20,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,5]},{"bb_rate":0,"rate":[5,70]},{"bb_rate":-1,"rate":[70,90]},{"bb_rate":100,"rate":[90,100]}]}',
    },
    {
        id = 4, 
        type = 'ch',
        cards_lv = 4, 
        oper = '{"round1":[{"bb_rate":3,"rate":[0,30]},{"bb_rate":0,"rate":[30,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,30]},{"bb_rate":0,"rate":[30,80]},{"bb_rate":100,"rate":[80,100]}]}',
    },
    {
        id = 5, 
        type = 'ch',
        cards_lv = 5, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,30]},{"bb_rate":3,"rate":[30,80]},{"bb_rate":0,"rate":[80,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,30]},{"bb_rate":0,"rate":[30,75]},{"bb_rate":100,"rate":[75,100]}]}',
    },
    {
        id = 6, 
        type = 'ch',
        cards_lv = 6, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,60]},{"bb_rate":3,"rate":[60,90]},{"bb_rate":100,"rate":[90,100]}], "round2":[{"bb_rate":1,"rate":[0,33]},{"bb_rate":0,"rate":[33,66]},{"bb_rate":100,"rate":[66,100]}]}',
    },
    {
        id = 7, 
        type = 'ch',
        cards_lv = 7, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,40]},{"bb_rate":3,"rate":[40,60]},{"bb_rate":0,"rate":[60,80]},{"bb_rate":100,"rate":[80,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,30]},{"bb_rate":0,"rate":[30,75]},{"bb_rate":100,"rate":[75,100]}]}',
    },
    {
        id = 8, 
        type = 'ch',
        cards_lv = 8, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,40]},{"bb_rate":3,"rate":[40,60]},{"bb_rate":0,"rate":[60,80]},{"bb_rate":100,"rate":[80,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,30]},{"bb_rate":0,"rate":[30,75]},{"bb_rate":100,"rate":[75,100]}]}',
    },
    {
        id = 9, 
        type = 'ch',
        cards_lv = 9, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,40]},{"bb_rate":3,"rate":[40,60]},{"bb_rate":0,"rate":[60,80]},{"bb_rate":100,"rate":[80,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,30]},{"bb_rate":0,"rate":[30,75]},{"bb_rate":100,"rate":[75,100]}]}',
    },
    {
        id = 10, 
        type = 'ch',
        cards_lv = 10, 
        oper = '{"round1":[{"bb_rate":5,"rate":[0,40]},{"bb_rate":3,"rate":[40,60]},{"bb_rate":0,"rate":[60,80]},{"bb_rate":100,"rate":[80,100]}],                                    "round2":[{"bb_rate":1,"rate":[0,50]},{"bb_rate":0,"rate":[50,75]},{"bb_rate":100,"rate":[75,100]}]}',
    },
    {
        id = 11, 
        type = 'ti',
        cards_lv = 1, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,90]},{"bb_rate":-1,"rate":[90,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,30]},{"bb_rate":-1,"rate":[30,100]}]}',
    },
    {
        id = 12, 
        type = 'ti',
        cards_lv = 2, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,100]}]}',
    },
    {
        id = 13, 
        type = 'ti',
        cards_lv = 3, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,101]}]}',
    },
    {
        id = 14, 
        type = 'ti',
        cards_lv = 4, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,102]}]}',
    },
    {
        id = 15, 
        type = 'ti',
        cards_lv = 5, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,103]}]}',
    },
    {
        id = 16, 
        type = 'ti',
        cards_lv = 6, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,104]}]}',
    },
    {
        id = 17, 
        type = 'ti',
        cards_lv = 7, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,105]}]}',
    },
    {
        id = 18, 
        type = 'ti',
        cards_lv = 8, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,106]}]}',
    },
    {
        id = 19, 
        type = 'ti',
        cards_lv = 9, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,107]}]}',
    },
    {
        id = 20, 
        type = 'ti',
        cards_lv = 10, 
        oper = '{"round1":[{"bb_rate":0,"rate":[0,10]},{"bb_rate":0,"rate":[10,99]},{"bb_rate":-1,"rate":[99,100]}], "round2":[{"bb_rate":0,"rate":[0,5]},{"bb_rate":0,"rate":[5,60]},{"bb_rate":-1,"rate":[60,108]}]}',
    },
}